Wood-turning machine



June 26,1928. 1,674,708

C. TELLENBACH WOOD TURNING MACHINE Filed Sept. 14, 1925 2 Sheets-Sheet l June 26, 1928. 1,674,708

- c. TELLENBACH WOOD TURNING MACHINE Filed Sept. 14, 1925 2 Sheets-Sheet 2 JNVENTVR Patented June 26, 1923.. I i a UNITED STATES PATENT F CHARLES TELLENBACH, OF BUTTES, SWITZERLAND.

VWOOD-TURNING MACHINE.

7 Application filed September 14, 1925, Serial No.'56,387, and inswitzerland September 15, 1924.

The present invention relates to a process the lower carriage and may be held adjusted 50 for turning out a'very soft and tender wood at any angle to the lower carriage by means WOOl representing the cuttings obtained-in Of a circular slot at and a clamping nut 0. manufacturing wood-turned articles from The axis of a tool shaft 9 carrying at one round timber. end of' the bed a driving pulley lb and at Machines for manufacturing ordinary the other end a cutter head-plate i is ar- 5:; wood -wool having knives operating in the ranged parallel to and below the middle axis direction of the fibre are already known. of the lower carriage and within a vertical They will produce a hard rough wood wool plane passing through said middle axis.

10 consisting of fibres having a triangular or The cutters r are straight blades sunk like rectangular cross section and sharp edges. plane-irons within slots -76 arranged tangen- 60 Here the wood or the tools are moved in an tially to a circlehaving a diameter of-about axial sense. I Machines are already known a third of thatof the plate for profiling or barking timber where this By advancing the carriage on towards the latter is turned parallel to its before rotating-cutterhead' and rotating the tima cutter head. having knives moving in a ber Z this latter will come into reach of the 65, plane parallel to the axis of the timber. blades and the object to be turned which Here the cuttings are short hard chips and may be a spool or the like, will be shaped mostly used as combustible. While the cuttings will assume the shape of In the process according to the present iu-I thin, soft bands having a cross-section like a vention a tool is used comprising a cutter circular segment and a. length exceeding that head having-- straight blades rotated in a .of the timber. Thus a wood wool will be plane parallel to the axis of the timber, produced adapted like wadding for packwhich is rotated parallel to its axis and preing jewelry or confectionery. sented to the knives at a point where they 1 The machine shown in 4 is in princi- Y operate on the timber surface in a helical ple the same as that of Figures 1 to 3, but path producing soft tender bands having a here the tool shaft 9 ismounted in a separate length exceeding that of the timber and a part of the bed a. The disadvantage howcross-section shaped like a segment of a ever exists that the shavings will easily be 30 circle. 7 accumulated in the path of the cutter-plate.

The drawing represents machines adapted What I claim is: g for performing the process according to the A process for obtaining wood wool while present invention. producing wood-turned articles said pro- Fig. 1' is a sectional side elevation cess consisting in rotating the timber parallel 35 Fig. 2 is a front elevation and to its axis while presenting it to cutter I Fig. 3 a plan of a first form and head rotating in a plane parallel to the axis 5 F ig; 4 aside elevation of a second form. of the timber and having knives projecting Similar letters of reference indicate from its radial face and of sufiicient length similar parts. According to'the Figures 1 for each knife to traverse the work from 40 to 3 a carriage b is slidably mounted on a end to end anoarranged with the axis of bed a and'is movable with the aid of rack the work between the center and periphery and pinion from a hand wheel a. Arranged of said cutter head so' that the knives opercrosswise upon this lower carriage is an upate on the timber helically in the direction per carriage m which carries the work piece of-the grain the effect being to produce consisting of a piece of timber Z between a. shavings having a meniscus-shaped crossdogp of a spindle stock cl and the point g section available as a packing material like 5 of the tail-stock e. A pulley f is serving as wadding. driving means for rotating the timber. The In testimony whereof I alli'x my signature.

upper carriagemis pivotally supported upon I CHARLES TELLENBACH. 

